<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>404</title>
</head>
<body background="${#servletContext.contextPath}/img/a.jpg">
<h1 style="color: #449ba2">走丢了吧</h1>
</body>
</html>